Uses of Package
org.apache.solr.cloud

Packages that use org.apache.solr.cloud

Package	Description
org.apache.solr.cloud	Classes for dealing with ZooKeeper when operating in SolrCloud mode.
org.apache.solr.cloud.api.collections	Package related to internal implementations of the SolrCloud collections api
org.apache.solr.cloud.overseer	Classes for updating cluster state in SolrCloud mode.
org.apache.solr.cluster.events	Interfaces defining support for cluster-level event generation and processing.
org.apache.solr.cluster.events.impl	Default implementation of ClusterEventProducer.
org.apache.solr.cluster.maintenance	Cluster Singleton plugins that are used to perform maintenance tasks within the cluster.
org.apache.solr.core	Core classes implementing Solr internals and the management of SolrCores
org.apache.solr.handler	Concrete implementations of SolrRequestHandler
org.apache.solr.handler.admin	SolrRequestHandler implementations for powering he Solr Admin UI
org.apache.solr.request	APIs and classes for dealing with Solr requests
org.apache.solr.schema	IndexSchema and FieldType implementations for powering schema.xml
org.apache.solr.update	APIs and classes for managing index updates

Classes in org.apache.solr.cloud used by org.apache.solr.cloud

Class	Description
CloudDescriptor	SolrCloud metadata attached to a CoreDescriptor.
ClusterSingleton.State
DistributedClusterStateUpdater	Gives access to distributed cluster state update methods and allows code to inquire whether distributed state update is enabled.
DistributedClusterStateUpdater.MutatingCommand	Naming of enum instances are the mutator object name (e.g.
DistributedClusterStateUpdater.StateChangeRecorder	Class handling the distributed updates of collection's Zookeeper files state.json based on multiple updates applied to a single collection (as is sometimes done by *Cmd classes implementing the Collection API commands).
DistributedCollectionLockFactory
DistributedConfigSetLockFactory
DistributedLock	A lock that can be used across cluster nodes.
DistributedMap	A distributed map.
DistributedMultiLock	A lock as acquired for running a single API command (Collection or Config Set or anything else in the future).
ElectionContext
LeaderElector	Leader Election process.
LockTree.Session	This class is used to mark nodes for which acquiring a lock was attempted but didn't succeed.
Overseer	Cluster leader.
Overseer.Message
Overseer.OverseerThread
OverseerMessageHandler	Interface for processing messages received by an OverseerTaskProcessor
OverseerMessageHandler.Lock
OverseerNodePrioritizer	Responsible for prioritization of Overseer nodes, for example with the ADDROLE collection command.
OverseerSolrResponse
OverseerTaskProcessor	A generic processor run in the Overseer, used for handling items added to a distributed work queue.
OverseerTaskProcessor.OverseerMessageHandlerSelector	An interface to determine which OverseerMessageHandler handles a given message.
OverseerTaskQueue	A ZkDistributedQueue augmented with helper methods specific to the overseer task queues.
OverseerTaskQueue.QueueEvent
RecoveryStrategy	This class may change in future and customisations are not supported between versions in terms of API or back compat behaviour.
RecoveryStrategy.RecoveryListener
Stats	Used to hold statistics about some SolrCloud operations.
Stats.FailedOp
Stats.Stat
ZkController	Handle ZooKeeper interactions.
ZkDistributedQueue	A ZK-based distributed queue.
ZkShardTerms	Class used for interact with a ZK term node.
ZkSolrResourceLoader	ResourceLoader that works with ZooKeeper.

Classes in org.apache.solr.cloud used by org.apache.solr.cloud.api.collections

Class	Description
DistributedClusterStateUpdater	Gives access to distributed cluster state update methods and allows code to inquire whether distributed state update is enabled.
Overseer	Cluster leader.
Overseer.Message
OverseerMessageHandler	Interface for processing messages received by an OverseerTaskProcessor
OverseerMessageHandler.Lock
OverseerNodePrioritizer	Responsible for prioritization of Overseer nodes, for example with the ADDROLE collection command.
OverseerSolrResponse
Stats	Used to hold statistics about some SolrCloud operations.

Classes in org.apache.solr.cloud used by org.apache.solr.cloud.overseer

Class	Description
Stats	Used to hold statistics about some SolrCloud operations.

Classes in org.apache.solr.cloud used by org.apache.solr.cluster.events

Class	Description
ClusterSingleton	Intended for components that should be enabled only one instance per cluster.
ClusterSingleton.State

Classes in org.apache.solr.cloud used by org.apache.solr.cluster.events.impl

Class	Description
ClusterSingleton	Intended for components that should be enabled only one instance per cluster.
ClusterSingleton.State

Classes in org.apache.solr.cloud used by org.apache.solr.cluster.maintenance

Class	Description
ClusterSingleton	Intended for components that should be enabled only one instance per cluster.
ClusterSingleton.State

Classes in org.apache.solr.cloud used by org.apache.solr.core

Class	Description
CloudDescriptor	SolrCloud metadata attached to a CoreDescriptor.
ClusterSingleton	Intended for components that should be enabled only one instance per cluster.
ZkController	Handle ZooKeeper interactions.
ZkSolrResourceLoader	ResourceLoader that works with ZooKeeper.

Classes in org.apache.solr.cloud used by org.apache.solr.handler

Class	Description
ZkController	Handle ZooKeeper interactions.

Classes in org.apache.solr.cloud used by org.apache.solr.handler.admin

Class	Description
ZkController	Handle ZooKeeper interactions.

Classes in org.apache.solr.cloud used by org.apache.solr.request

Class	Description
CloudDescriptor	SolrCloud metadata attached to a CoreDescriptor.

Classes in org.apache.solr.cloud used by org.apache.solr.schema

Class	Description
ZkController	Handle ZooKeeper interactions.

Classes in org.apache.solr.cloud used by org.apache.solr.update

Class	Description
ActionThrottle
RecoveryStrategy.Builder
RecoveryStrategy.RecoveryListener